body{
	background: #f5f5f52e;
}
.container{
	height: 100%;
	background: # fff;
	text-align: center;
}

.main_content{
	margin-top: 50%;
}
ul{
	list-style: none;
	vertical-align: middle;
	margin-top: 20px;
	max-width: 400px; 
}
ul li {
	height: 55px;
}
.input{
	border: 1px solid #1656e7;
	width: 250px;
	height: 45px;
	margin-top: 10px;
	border-radius:8px; 
	text-shadow: none;
	padding: 5px;
}
.zhuce_text{
	font-size: 30px;
}
.bottom_css{
	bottom: 0;
	margin-top: -20px;
	margin-bottom: 15px;
	text-align: -webkit-center
}